Question

for what value of k we have 7x²-5x+k given that x=-2​

Answer 1

refer the above attachment

Answer 2

Answer:

p(x)= 7x²-5x+k

p(-2)= 7(-2)²-5(-2)+k=0

=> 28+10+k=0

=>k= -38

Step-by-step explanation:

hope it helps...